Shanghai Nainai Valve Manufactrue Co.,Ltd.
   
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Ball valve
Gate Valve
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Plug Valve
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Safety Valve
Strainer
Forged Steel Valve
Flanges & Pipe
Bellow Valve
   Tele: +86-21-66876198
              +86-21-56879782
   Sales:+86-21-56874084
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                   +86-21-56873724
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   Email:nainai@nainaivalve.com
   Add:No.87 Luojing Feiyun Road
   Baoshan District Shanghai
  PRODUCT  
Forged Steel Valve
Forged steel ctyogenic valves
Nainai cryogenic valves are available in two bonnet designs.
The first design is the Bolted Bonnet, with male-female joint, spiral wound gasket, made in F304L/graphite. Ring joint gasket are also available on request. The second design is the welded bonnet, with a threaded and seal welded joint. On request a full penetration strength welded joint is available.
Forged steel bellow sealed valves
Bellow Sealed valves are available in two bonnet designs. The first design is the Bolted Bonnet, with male-female joint, spiral wound gasket, made in F304L/graphite.
Ring joint gasket are also available on request. The second design is the welded bonnet. with a threaded and seal welded joint. On request a full penetration strength welded joint is available.
Forged steel Y-type strainers
Main materials: A105;LF2;F5;F11;F22;304(L);316(L);F347; F321;F51;Monel;20 Alloy.
Structure features: Bolted bonnet or welding bonnet
Test and inspection conform to: API 598;GB/T13927;JB/T9092
Design and manufacture conform to BS5352 MSS SP-118
Materials conform to ANSI/ASTM.
Forged steel check valves
Nainai valves are available in Three bonnet designs. The first design is the Bolted Bonnet, with male-female joint, spiral wound gasket, made in F304L/graphite. Ring joint gasket are also available on request. The second design is the welded bonnet, with a threaded and seal welded joint.On request a full penetration strength welded joint is available.
Forged steel globe valves
Nainai valves are available in Three bonnet designs. The first design is the Bolted Bonnet, with male-Female joint,spiral wound gasket, made in F304L/graphite, Ring joint gasket are also available on request. The second design is the welded bonnet, with a threaded and seal welded joint. On request a full penetration strength welded joint is available. The third design is the pressure seal bonnet, with a threaded and pressure seal bonnet joint.
Forged steel gate valves
Nainai valves are available in three bonnet designs. The first design is the Bolted Bonnet, with male-female joint, spiral wound gasket, made in F304L/graphite. Ring joint gasket are also available on request. The second design is the welded bonnet,
Forged steel ball valves
Forged steel ball valves have two structures. one is of 2PCS structure, threaded bonnet, RPTFE or PEEK seal. The other is of 3PCS structure. bolted tailpieces. Different materials for seats, gaskets and packing may be chosen acc. to different using conditions.
 
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Copyright @ 2005 Shanghai Nainai Valve Manufactrue Co.,Ltd.    ADD: No.87 Luojing Feiyun Road Baoshan District Shanghai City
Telephone: +86-021-66876198 / 56879782   Sales Tel: +86-021-56874084 / 56871325   Email:nainai@nainaivalve.com
Service Tel: +86-021-56878077 / 56873724      Fax: +86-021-56878087 
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